A great article by Larry Wise: http://www.deerinfo.com/huntingtips-correcting-your-full-draw.asp
Also, for those that wonder if they need one of the range finders with ARC when bow hunting deer, this illustration from the article should answer your question (the answer would be no, btw).
Also, for those that wonder if they need one of the range finders with ARC when bow hunting deer, this illustration from the article should answer your question (the answer would be no, btw).